/* Merged Plone Javascript file
 * This file is dynamically assembled from separate parts.
 * Some of these parts have 3rd party licenses or copyright information attached
 * Such information is valid for that section,
 * not for the entire composite file
 * originating files are separated by ----- filename.js -----
 */

/* ----- plone_javascript_variables.js ----- */

// Global Plone variables that need to be accessible to the Javascripts
var portal_url = 'http://www.xml4cobol.com';
var form_modified_message = 'Ihr Formular wurde nicht gespeichert. Alle Ihre Änderungen werden verloren gehen!';
var form_resubmit_message = 'Sie haben bereits auf den Senden-Knopf gedrückt. Möchten Sie dieses Formular wirklich noch ein zweites Mal absenden?';


/* ----- nodeutilities.js ----- */

function wrapNode(node, wrappertype, wrapperclass){
    /* utility function to wrap a node in an arbitrary element of type "wrappertype"
     * with a class of "wrapperclass" */
    var wrapper = document.createElement(wrappertype)
    wrapper.className = wrapperclass;
    var innerNode = node.parentNode.replaceChild(wrapper,node);
    wrapper.appendChild(innerNode);
};

function nodeContained(innernode, outernode){
    // check if innernode is contained in outernode
    var node = innernode.parentNode;
    while (node != document) {
        if (node == outernode) {
            return true; 
        }
        node=node.parentNode;
    }
    return false;
};

function findContainer(node, func) {
    // Starting with the given node, find the nearest containing element
    // for which the given function returns true.

    while (node != null) {
        if (func(node)) {
            return node;
        }
        node = node.parentNode;
    }
    return false;
};

function hasClassName(node, class_name) {
    return new RegExp('\\b'+class_name+'\\b').test(node.className);
};

function addClassName(node, class_name) {
    if (!node.className) {
        node.className = class_name;
    } else if (!hasClassName(node, class_name)) {
        var className = node.className+" "+class_name;
        // cleanup
        node.className = className.split(/\s+/).join(' ');
    }
};

function removeClassName(node, class_name) {
    var className = node.className;
    if (className) {
        // remove
        className = className.replace(new RegExp('\\b'+class_name+'\\b'), '');
        // cleanup
        className = className.replace(/\s+/g, ' ');
        node.className = className.replace(/\s+$/g, '');
    }
};

function replaceClassName(node, old_class, new_class, ignore_missing) {
    if (ignore_missing && !hasClassName(node, old_class)) {
        addClassName(node, new_class);
    } else {
        var className = node.className;
        if (className) {
            // replace
            className = className.replace(new RegExp('\\b'+old_class+'\\b'), new_class);
            // cleanup
            className = className.replace(/\s+/g, ' ');
            node.className = className.replace(/\s+$/g, '');
        }
    }
};

function walkTextNodes(node, func, data) {
    // traverse childnodes and call func when a textnode is found
    if (!node){return false}
    if (node.hasChildNodes) {
        // we can't use for (i in childNodes) here, because the number of
        // childNodes might change (higlightsearchterms)
        for (var i=0;i<node.childNodes.length;i++) {
            walkTextNodes(node.childNodes[i], func, data);
        }
        if (node.nodeType == 3) {
            // this is a text node
            func(node, data);
        }
    }
};

/* These are two functions, because getInnerTextFast doesn't always return the
 * the same results, as it depends on the implementation of node.innerText of
 * the browser. getInnerTextCompatible will always return the same values, but
 * is a bit slower. The difference is just in the whitespace, so if this
 * doesn't matter, you should always use getInnerTextFast.
 */

function getInnerTextCompatible(node) {
    var result = new Array();
    walkTextNodes(node,
                  function(n, d){d.push(n.nodeValue)},
                  result);
    return result.join("");
};

function getInnerTextFast(node) {
    if (node.innerText) {
        return node.innerText;
    } else {
        return getInnerTextCompatible(node);
    }
};

/* This function reorder nodes in the DOM.
 * fetch_func - the function which returns the value for comparison
 * cmp_func - the compare function, if not provided then the string of the
 * value returned by fetch_func is used.
 */
function sortNodes(nodes, fetch_func, cmp_func) {
    // terminate if we hit a non-compliant DOM implementation
    if (!W3CDOM){return false};

    // wrapper for sorting
    var SortNodeWrapper = function(node) {
        this.value = fetch_func(node);
        this.cloned_node = node.cloneNode(true);
        this.toString = function() {
            if (this.value.toString) {
                return this.value.toString();
            } else {
                return this.value;
            }
        }
    }

    // wrap nodes
    var items = new Array();
    for (var i=0; i<nodes.length; i++) {
        items.push(new SortNodeWrapper(nodes[i]));
    }

    //sort
    if (cmp_func) {
        items.sort(cmp_func);
    } else {
        items.sort();
    }

    // reorder nodes
    for (var i=0; i<items.length; i++) {
        var dest = nodes[i];
        dest.parentNode.replaceChild(items[i].cloned_node, dest);
    }
};


/* ----- cookie_functions.js ----- */
function createCookie(name,value,days) {
    if (days) {
        var date = new Date();
        date.setTime(date.getTime()+(days*24*60*60*1000));
        var expires = "; expires="+date.toGMTString();
    } else {
        expires = "";
    }
    document.cookie = name+"="+escape(value)+expires+"; path=/;";
};

function readCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') {
            c = c.substring(1,c.length);
        }
        if (c.indexOf(nameEQ) == 0) {
            return unescape(c.substring(nameEQ.length,c.length));
        }
    }
    return null;
};


/* ----- livesearch.js ----- */
/*
// +----------------------------------------------------------------------+
// | Copyright (c) 2004 Bitflux GmbH                                      |
// +----------------------------------------------------------------------+
// | Licensed under the Apache License, Version 2.0 (the "License");      |
// | you may not use this file except in compliance with the License.     |
// | You may obtain a copy of the License at                              |
// | http://www.apache.org/licenses/LICENSE-2.0                           |
// | Unless required by applicable law or agreed to in writing, software  |
// | distributed under the License is distributed on an "AS IS" BASIS,    |
// | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or      |
// | implied. See the License for the specific language governing         |
// | permissions and limitations under the License.                       |
// +----------------------------------------------------------------------+
// | Author: Bitflux GmbH <devel@bitflux.ch>                              |
// +----------------------------------------------------------------------+

*/
var liveSearchReq = false;
var t = null;
var liveSearchLast = "";
var queryTarget = "livesearch_reply?q=";

var searchForm = null;
var searchInput = null; 

var isIE = false;


var _cache = new Object();

var widthOffset=1;

function calculateWidth(){
}


function getElementDimensions(elemID) {
    var base = document.getElementById(elemID);
    var offsetTrail = base;
    var offsetLeft = 0;
    var offsetTop = 0;
    var width = 0;
    
    while (offsetTrail) {
        offsetLeft += offsetTrail.offsetLeft;
        offsetTop += offsetTrail.offsetTop;
        offsetTrail = offsetTrail.offsetParent;
    }
    if (navigator.userAgent.indexOf("Mac") != -1 &&
        typeof document.body.leftMargin != "undefined") {
        offsetLeft += document.body.leftMargin;
        offsetTop += document.body.topMargin;
    }

    if(!isIE){
	width =  searchInput.offsetWidth-widthOffset*2;
    }
    else {
	width = searchInput.offsetWidth;
    }

    return { left:offsetLeft, 
	     top:offsetTop, 
	     width: width, 
             height: base.offsetHeight,
	     bottom: offsetTop + base.offsetHeight, 
	     right : offsetLeft + width};
}

function liveSearchInit() {
    searchInput = document.getElementById('searchGadget');
    if (searchInput == null || searchInput == undefined) return
//  Only keypress catches repeats in moz/FF but keydown is needed for
//  khtml based browsers.
    if (navigator.userAgent.indexOf("KHTML") > 0) {
        searchInput.addEventListener("keydown",liveSearchKeyPress,false);
        searchInput.addEventListener("focus",liveSearchDoSearch,false);
        searchInput.addEventListener("keydown",liveSearchStart, false);
    } else if (searchInput.addEventListener) {
        searchInput.addEventListener("keypress",liveSearchKeyPress,false);
        searchInput.addEventListener("blur",liveSearchHideDelayed,false);
        searchInput.addEventListener("keypress",liveSearchStart, false);
    } else {
        searchInput.attachEvent("onkeydown",liveSearchKeyPress);
        searchInput.attachEvent("onkeydown",liveSearchStart);
//      searchInput.attachEvent("onblur",liveSearchHide);
        isIE = true;
    }

//  Why doesn't this work in konq, setting it inline does.
    searchInput.setAttribute("autocomplete","off");

	var pos = getElementDimensions('searchGadget');	
	result = document.getElementById('LSResult');
	pos.left = pos.left - result.offsetParent.offsetLeft + pos.width;
	result.style.display='none';
}


function liveSearchHideDelayed() {
	window.setTimeout("liveSearchHide()",400);
}
	
function liveSearchHide() { 
	document.getElementById("LSResult").style.display = "none";
	var highlight = document.getElementById("LSHighlight");
	if (highlight) {
		highlight.removeAttribute("id");
	}
}

function getFirstHighlight() {
    var set = getHits();
    return set[0];
}

function getLastHighlight() {
    var set = getHits();
    return set[set.length-1];
}

function getHits() {
    var res = document.getElementById("LSShadow");
    var set = res.getElementsByTagName('li');
    return set
}

function findChild(object, specifier) {
    var cur = object.firstChild;
    try {
	while (cur != undefined) {
	    cur = cur.nextSibling;
	    if (specifier(cur) == true) return cur;
	}
    } catch(e) {};
    return null;
    
}

function findNext(object, specifier) {
 var cur = object;
 try {
 while (cur != undefined) {

	cur = cur.nextSibling;
	if (cur.nodeType==3) cur=cur.nextSibling;
	
	if (cur != undefined) {
	    if (specifier(cur) == true) return cur;
    } else { break }
 }
 } catch(e) {};
 return null;
}

function findPrev(object, specifier) {
 var cur = object;
 try {
        cur = cur.previousSibling;
        if (cur.nodeType==3) cur=cur.previousSibling;
        if (cur!=undefined) {
            if (specifier(cur) == true) 
                return cur;
        } 
 } catch(e) {};
 return null;
}


function liveSearchKeyPress(event) {
	if (event.keyCode == 40 )
	//KEY DOWN
	{
		highlight = document.getElementById("LSHighlight");
		if (!highlight) {
		    highlight = getFirstHighlight();
		} else {
			highlight.removeAttribute("id");
			highlight = findNext(highlight, function (o) {return o.className =="LSRow";});

		}
		if (highlight) {
			highlight.setAttribute("id","LSHighlight");
		} 
		if (!isIE) { event.preventDefault(); }
	} 
	//KEY UP
	else if (event.keyCode == 38 ) {
		highlight = document.getElementById("LSHighlight");
		if (!highlight) {
		    highlight = getLastHighlight();
		} 
		else {
			highlight.removeAttribute("id");
			highlight = findPrev(highlight, function (o) {return o.className=='LSRow';});
		}
		if (highlight) {
				highlight.setAttribute("id","LSHighlight");
		}
		if (!isIE) { event.preventDefault(); }
	} 
	//ESC
	else if (event.keyCode == 27) {
		highlight = document.getElementById("LSHighlight");
		if (highlight) {
			highlight.removeAttribute("id");
		}
		document.getElementById("LSResult").style.display = "none";
	} 
}
function liveSearchStart(event) {
	if (t) {
		window.clearTimeout(t);
	}
	code = event.keyCode;
	if (code!=40 && code!=38 && code!=27 && code!=37 && code!=39) {
		t = window.setTimeout("liveSearchDoSearch()",200);
	} 
}

function liveSearchDoSearch() {

	if (typeof liveSearchRoot == "undefined") {
		liveSearchRoot = "";
	}
	if (typeof liveSearchRootSubDir == "undefined") {
		liveSearchRootSubDir = "";
	}

	if (liveSearchLast != searchInput.value) {
	if (liveSearchReq && liveSearchReq.readyState < 4) {
		liveSearchReq.abort();
	}
	if ( searchInput.value == "") {
		liveSearchHide();
		return false;
	}

	// Do we have cached results
	var result = _cache[searchInput.value];
	if (result) {
		showResult(result);	
		return;
	}
    try {
        netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
    } catch(e) {
    }
	liveSearchReq = new XMLHttpRequest();
	liveSearchReq.onreadystatechange= liveSearchProcessReqChange;
	liveSearchReq.open("GET", liveSearchRoot + queryTarget + searchInput.value );
	liveSearchLast = searchInput.value;
	liveSearchReq.send(null);
	}
}

function showResult(result) {
  var  res = document.getElementById("LSResult");
  res.style.display = "block";
  var  sh = document.getElementById("LSShadow");
  sh.innerHTML = result;
}

function liveSearchProcessReqChange() {
	if (liveSearchReq.readyState == 4) {
		if (liveSearchReq.status > 299 || liveSearchReq.status < 200  ||
			liveSearchReq.responseText.length < 10) return;	
	showResult(liveSearchReq.responseText);
	_cache[liveSearchLast] = liveSearchReq.responseText;
	}
}

function liveSearchSubmit() {
	var highlight = document.getElementById("LSHighlight");
	
	if (highlight){
		target = highlight.getElementsByTagName('a')[0];
		window.location = liveSearchRoot + liveSearchRootSubDir + target;
		return false;
	} 
	else {
		return true;
	}
}



if (window.addEventListener) window.addEventListener("load",liveSearchInit,false);
else if (window.attachEvent) window.attachEvent("onload", liveSearchInit);